18177225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2003}}^1$

素因数の和:2038

約数の個数: 36

約数和(自身を含む): 33049968

約数和(自身を除く): 14872743

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2003, 3025, 6009, 9075, 10015, 22033, 30045, 50075, 66099, 110165, 150225, 242363, 330495, 550825, 727089, 1211815, 1652475, 3635445, 6059075, 18177225]

約数ペア:

[(1, 18177225), (3, 6059075), (5, 3635445), (11, 1652475), (15, 1211815), (25, 727089), (33, 550825), (55, 330495), (75, 242363), (121, 150225), (165, 110165), (275, 66099), (363, 50075), (605, 30045), (825, 22033), (1815, 10015), (2003, 9075), (3025, 6009)]